Comprehensive Questions PHYSICS
Class 11
Chapter 10
| Q 1 |
Explain briefly the following terms used in thermodynamics, System, Surrounding, Boundary and State variables. See Answer |
| Q 2 |
Distinguish among the three forms of energy; work, heat and internal energy. See Answer |
| Q 3 |
State and explain first law of thermodynamics. See Answer |
| Q 4 | In the light of first law of thermodynamics, describe the processes. (a) Isochoric Process (b) Isobaric process (c) Isothermal Process (d) Adiabatic Process See Answer |
| Q 5 |
Define the molar heat capacities Cp and Cv. Show that for one mole of an ideal gas Cp – Cv = R See Answer |
| Q 6 |
Explain with examples reversible and irreversible processes. See Answer |
| Q 7 |
What is meant by a heat engine? What is its main purpose? How is its efficiency defined? See Answer |
| Q 8 |
State the second law of thermodynamics in its alternative forms. Discuss the assertions of the first and second laws about heat and work energies. See Answer |
| Q 9 |
What were the basic equations that led Carnot to invent Carnot engine? See Answer |
| Q 10 |
What is meant by Carnot cycle and Carnot engine? See Answer |
| Q 11 |
State Carnot Theorem about the characteristics of Carnot engine. See Answer |
| Q 12 |
What do you mean by a refrigerator? How does it function? Derive an expression for the coefficient of performance fo a refrigerator. See Answer |